Klaus Scherer (born 1943) is Professor of Psychology and director of the Swiss Center for Affective Sciences in Geneva. He is a specialist in the psychology of emotion.[1]
He is known for editing the Handbook of Affective Sciences and several other influential articles on emotions, expression, personality and music.[2]
He is also a founding editor of the APA journal Emotion.[3]

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The Component Process Model of emotion (CPM) is Scherer's major theory of emotions. It regards emotions as the synchronisation of many different cognitive and physiological components. Emotions are identified with the overall process whereby low level cognitive appraisals, in particular the processing of relevance, trigger bodily reactions, behaviours and subjective feelings.